sukejuuru/src/sukejuuru.js

Node module for Syobocal

'use strict'

const Dateparser = require('./lib/dateparser.js')
const http = require('http')

const sukejuuru = class Sukejuuru {
  constructor () {
    this._dateparser = new Dateparser()
    this.api = 'http://cal.syoboi.jp'
  }

  /** Gets the schedule between the selected days
     * @param {integer} days - Number of days since the start date
     * @param {date} startDate - Starting date
     */
  get (days, startDate) {
    if (!startDate) { startDate = new Date().toISOString().split('T')[0] }

    return new Promise((resolve, reject) => {
      http.get(`${this.api}/cal_chk.php?alt=json&days=${days}&start=${startDate}`, res => {
        let body = ''

        res.setEncoding('utf8')

        res.on('data', chunk => {
          body += chunk
        })

        res.on('end', () => {
          let json
          let response = []
          try {
            json = JSON.parse(body)
            json.ProgItems.ProgItem.map((e) => {
              let item = {
                tid: e['@attributes'].TID,
                stTime: this._dateparser.getDatetime(e['@attributes'].StTime),
                count: e['@attributes'].Count,
                title: e['@attributes'].Title
              }
              response.push(item)
            })
          } catch (err) {
            reject(err)
          }

          resolve(
            // Remove duplicates
            response.filter(
              (item, index, self) =>
                index === self.findIndex((i) => (i.tid === item.tid))
            )
          )
        })
      }).on('error', err => {
        reject(err)
      })
    })
  }
}

module.exports = sukejuuru